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57382500 = 2235471093
BaseRepresentation
bin1101101011100…
…1011001100100
310222222022222210
43122321121210
5104142220000
65405523420
71264512630
oct332713144
9128868883
1057382500
112a43335a
1217273570
13bb71756
147899dc0
155087350
hex36b9664

57382500 has 120 divisors (see below), whose sum is σ = 191388736. Its totient is φ = 13104000.

The previous prime is 57382499. The next prime is 57382547. The reversal of 57382500 is 528375.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51954 + ... + 53046.

Almost surely, 257382500 is an apocalyptic number.

57382500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57382500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95694368).

57382500 is an abundant number, since it is smaller than the sum of its proper divisors (134006236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57382500 is a wasteful number, since it uses less digits than its factorization.

57382500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57382500 is about 7575.1237613652. The cubic root of 57382500 is about 385.7090436285.

The spelling of 57382500 in words is "fifty-seven million, three hundred eighty-two thousand, five hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 125 140 150 175 210 250 300 350 375 420 500 525 625 700 750 875 1050 1093 1250 1500 1750 1875 2100 2186 2500 2625 3279 3500 3750 4372 4375 5250 5465 6558 7500 7651 8750 10500 10930 13116 13125 15302 16395 17500 21860 22953 26250 27325 30604 32790 38255 45906 52500 54650 65580 76510 81975 91812 109300 114765 136625 153020 163950 191275 229530 273250 327900 382550 409875 459060 546500 573825 683125 765100 819750 956375 1147650 1366250 1639500 1912750 2049375 2295300 2732500 2869125 3825500 4098750 4781875 5738250 8197500 9563750 11476500 14345625 19127500 28691250 57382500